Join CBI, How to join

I want to join Central Bureau of Investigation as a officer, please provide here qualification also provide exam pattern???

[Arun Vats]

To become a Central Bureau of Investigation officer, you have to appear the exams conducted by UPSC.
It is called the Combined Graduate Level (CDL) Examination.

Eligibility:
The applicant should have graduation with 50 per cent marks.

Age limit
Age of the candidate should not exceed 25 years.

Exam pattern
The Scheme of the Examination will be conducted in three Tiers.

Written test
Interview
Medical Test

They are Written Examination, which is a Objective Multiple Choice Type, Main Written Examination which is also Objective Multiple Choice Type and Personality Test /Interview or Skill Test.

Candidates opting for post of Sub-Inspector in CPOs will have to undergo Physical Endurance Test (PET)/ Medical Examination at any convenient time after declaration of result of Tier I.

The paper in examination consists of following questions

General Intelligence Reasoning
General Awareness
Numerical Aptitude
English Comprehension